But samples of effluent collected over the same period of time measure the treatment given to weak waste that entered the plant prior to 8 A.M.是什么意思_But samples of effluent collected over the same period of time measure the treatment given to weak waste that entered the plant prior to 8 A.M.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句